File:Diagram of the interplay of factors that affect risk of kala-azar and asymptomatic Leishmania donovani infection in South Asia.jpeg
Diagram_of_the_interplay_of_factors_that_affect_risk_of_kala-azar_and_asymptomatic_Leishmania_donovani_infection_in_South_Asia.jpeg (523 × 385 pixels, file size: 44 KB, MIME type: image/jpeg)
Summary[edit]
| Description |
Kala-azar risk is increased by proximity to the infectious reservoir host (an untreated kala-azar patient) and by exposure to infected sand flies, but may be decreased by behaviors such as bed net use that interrupt human-sand fly contact or host factors such as diet that affect the immune response to the parasite. Cattle may affect risk in complex ways, through their effect on sand fly abundance, breeding, infections rates and feeding frequency on humans. |
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| Source | |
| Date | |
| Author |
Caryn Bern, Orin Courtenay, and Jorge Alvar |
| Permission (Reusing this file) |
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2817719/figure/pntd-0000599-g001/
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Licensing[edit]
 | This image is a work of the National Institutes of Health, part of the United States Department of Health and Human Services. As a work of the U.S. federal government, the image is in the public domain in the United States. |  |
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| current | 09:39, 31 May 2013 | | 523 × 385 (44 KB) | Mengni.qian (talk | contribs) | Uploading a file from a free published source using File Upload Wizard |
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